city = [
    {
        id: 1,
        name: '天津'
    },{
        id:2,
        name:'北京市'

    }
]

nation = [
    {
        id: 1,
        name: '汉族'

    },{
        id:2,
        name:'回族'
    }
]

school = [
    {
        id: 1,
        name: '山东科技大学'

    },{
        id:2,
        name:'清华大学'
    }
]